Advanced O&M Command Reference

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. Based on the CLI, this document describes how to use various commands classified by functionsand how to set the CLI and manage the storage system through these commands.
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drvfc showperfstatic

drvfc showperfstatic

Function

The drvfc showperfstatic command is used to collect statistics on driver latencies.

Format

drvfc showperfstatic portid

Parameters

Parameter

Description

Value

portid

Port ID.

To obtain the value, run the "drvfc showportinfo" command.

Views

Diagnostic view

Usage Guidelines

None

Example

Display latency statistics.

admin:/diagnose>drvfc showperfstatic 0x110002

Port:0x110002 total tgt-write:1507759 total tgt-read:1507737

Average-Tgt Write:

DrvAllocTime:579

TgtAllocTime:39990

RdyScheduleTime:5470

DrvExecTime:86635

TgtExecTime:40360

RspScheduleTime:4656

DrvRspTime:82663

WriteTime:260357

Max-Tgt Write:

DrvAllocTime:639

TgtAllocTime:6712231

RdyScheduleTime:362

DrvExecTime:20803

TgtExecTime:14838190

RspScheduleTime:111

DrvRspTime:228161

WriteTime:21800497

Average-Tgt Read:

DrvAllocTime:579

TgtReadTime:40042

RspScheduleTime:5536

DrvRspTime:85234

ReadTime:131393

Max-Tgt Read:

DrvAllocTime:634

TgtReadTime:15982486

RspScheduleTime:537

DrvRspTime:13852

ReadTime:15997509

Port:0x110002 total ini-write:7831734 total ini-read:7831727

Average-Ini Write:

DrvSendCmdTime:1554

HdDealTime:254243068

DrvDealRspTime:98

AllTime:254244720

Max-Ini Write:

DrvSendCmdTime:1571

HdDealTime:34806457

DrvDealRspTime:79

AllTime:34807843

Average-Ini Read:

DrvSendCmdTime:1390

HdDealTime:190647633

DrvDealRspTime:120

AllTime:190649144

Max-Ini Read:

DrvSendCmdTime:1390

HdDealTime:210647633

DrvDealRspTime:151

AllTime:210649174

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Port

Port ID.

total tgt-write

Total count of target write requests.

total tgt-read

Total counts of target read requests.

Average-Tgt Write

Average target write latency.

DrvAllocTime

Time required for the driver to post a read and write I/O request to the SCSI layer after receiving the request.

TgtAllocTime

Write allocation time of the service module.

RdyScheduleTime

Time required for the driver to send the xfer_ready message after receiving the message from the SCSI layer.

DrvExecTime

Time required for completing write I/Os after the driver sends the xfer_ready message.

TgtExecTime

Time required for the service module to write I/O data.

RspScheduleTime

Time required for the driver to receive response messages and invoke the response sending interface to send the messages.

DrvRspTime

Time required for the driver to successfully send response messages.

WriteTime

Total time of write I/Os.

Max-Tgt Write

Maximum target write latency.

TgtReadTime

Execution time of target read I/Os.

ReadTime

Total time of read I/Os.

Average-Tgt Read

Average target read latency.

Max-Tgt Read

Maximum target read latency.

total ini-write

Total count of initiator write requests.

total ini-read

Total count of initiator read requests.

Average-Ini Write

Average initiator write latency.

Max-Ini Write

Maximum initiator write latency.

Average-Ini Read

Average initiator read latency.

Max-Ini Read

Maximum initiator read latency.

DrvSendCmdTime

Time required for the initiator driver to deliver an I/O request to the chip after receiving the request from upper-layer applications.

HdDealTime

Time required for the initiator chip to complete data sending or receiving.

DrvDealRspTime

Response time required for the initiator driver to complete the processing of I/O requests.